ICTFAX is an open source (AGPL v 3), multi-user and web based business solution with advance billing capabilities featuring duration as well as per unite billing , ICTFAX is an email to fax gateway, supports G.711 faxing , PSTN faxing and T.38 origination and termination .ICTFAX is complete faxing solution and does not need to be integrated with other open source projects to function that makes ICTFAX a unique and innovative faxing solution .